Home / 384,331,428.40-576,497,142.60-366,475,010.80

Finding the Fourth Proportional to 384,331,428.40, 576,497,142.60 and 366,475,010.80

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Solution

The fourth proportional to 384,331,428.40, 576,497,142.60 and 366,475,010.80 is: 549,712,516.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,331,428.40 : 576,497,142.60 = 366,475,010.80 : x
  2. Step 2: Convert to fraction form
    384,331,428.40/576,497,142.60 = 366,475,010.80/x
  3. Step 3: Cross multiply
    384,331,428.40x = 576,497,142.60 × 366,475,010.80
  4. Step 4: Simplify right side
    384,331,428.40x = 211,271,796,560,504,160
  5. Step 5: Solve for x
    x = 211,271,796,560,504,160/384,331,428.40
  6. Step 6: Final answer
    x = 549,712,516.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.